[ALCHEMY]. Musaeum Hermeticum Reformatum et Amplificatum, Omnes Sopho-Spagyricae Artis Discipulos Fidelissime Erudiens… Frankfurt and Leipzig, 1749. 8vo. Illustrated with engraved title-page, 4 folding plates at rear, and numerous intertextual engravings. [x], [1]-[863], [1, blank] pp. Bound in contemporary full vellum, boards decoratively ruled in gilt, burgundy gilt morocco lettering label (front board detached, binding worn, soiled, text occasionally soiled, foxed, folding plates with tears, chips, a few tape repairs, several engraved pages are supplied in early manuscript facsimile, lacks frontispiece, engraved title-page with tape on verso). Fair. EARLY EDITION OF THIS BEAUTIFULLY ILLUSTRATED BOOK. This title includes treatises of famous alchemists, including Basil Valentine, John de Meung, Helvetius, Henry Modathanus, Thomas Norton, and more.